KR20090115644A - Apparatus for fixing a insulation panel of a cargo and insulation panel thereof - Google Patents

Abstract

PURPOSE: An apparatus for fixing an insulation panel of a cargo and the insulation panel using the same are provided to improve the closure force and adhesive force with a supple triplex. CONSTITUTION: An apparatus for fixing an insulation panel of a cargo comprises a fixing plate(110), a fixing bracket(120) and a combining means(130). The fixing plate is adhered to one side of the insulation panel. The fixing bracket is protruded into the outer side on the fixing plate. A projection part of for fixing bracket is fixed at a stud bolt mounted in a hull. The combining means binds fixing bracket with the fixing plate.

Description

Fixing device for cargo hold insulation panel and insulation panel using the same {APPARATUS FOR FIXING A INSULATION PANEL OF A CARGO AND INSULATION PANEL THEREOF}

The present invention uses a fastening means such as a stud bolt to fix the insulation panel to the hull, so that the insulation can be fixed to the hull until the epoxy mastic is cured without having a through hole or through groove. The through-holes in the rigid triplex in the secondary barrier consisting of a rigid triplex which is a thin film (RSB) inserted between the upper and lower insulation panels and a triple triplex which is a flexible thin film (FSB) covering between the insulation panel. By removing the discontinuity of the surface caused by or through grooves, it is possible to increase the construction efficiency of the secondary barrier and improve the sealing performance of the secondary barrier, and to adjust the step between adjacent insulation panels, which is a function of the existing through holes or through grooves. Cargo holds to keep this easy It relates to a fixture and the insulation panel using the same panel of Herr illustration.

In general, liquefied natural gas (LNG) refers to a colorless transparent cryogenic liquid whose natural gas, which contains methane as its main component, is cooled to -162 ° C and its volume is reduced to one hundredth.

As such liquefied natural gas is used as an energy resource, an efficient transportation method that can transport a large amount from the production base to the destination of the demand site has been considered to use this gas as energy. LNG carriers have been developed to transport gas by sea.

By the way, the LNG carrier should be provided with a cargo hold (Cargo) that can store and store the liquefied natural gas liquefied in the cryogenic state, there was a lot of difficulties due to the very demanding conditions for such cargo hold.

That is, since LNG has a vapor pressure higher than atmospheric pressure and has a boiling temperature of about -162 ℃, in order to safely store and store such LNG, the cargo hold for storing the LNG is a material that can withstand ultra low temperatures, for example, For example, it must be made of aluminum steel, stainless steel, 35% nickel steel, etc., and must be designed with a unique insulation structure that is resistant to other thermal stresses and heat shrinkage and prevents heat intrusion.

Referring to the cargo hold insulation structure of a conventional LNG carrier with reference to the accompanying drawings as follows.

1 is a cross-sectional view showing a cargo hold insulation structure of a liquefied natural gas carrier according to the prior art. As shown, the bottom insulation panel 10 is reinforced by an epoxy mastic 13 and a stud bolt 14 on the inner side of the hull 1 of the LNG carrier. It is attached and fixed via the medium 10a.

At this time, a rigid triplex 22 is interposed between the lower insulation panel 10 and the top insulation panel 20 to be bonded to each other. Meanwhile, when attaching the lower insulation panel 10 to the cargo hold wall, the lower insulation panel 10 may be inserted into a gap 40 formed between glass wool flat joints 18. ) Have a gap.

A top bridge panel 28 is then attached between the upper insulation panels 20, with a triple triplex 26 as a supple triple on the rigid triplex 22 attached thereto. ), And the top bridge panel 28 is attached using the epoxy glue 24 thereon.

And the upper insulation panel 20 and the top of the top bridge panel 28 has the same plane, the corrugated membrane (30) on the same plane is attached through the anchor strip 32 to the cargo hold The wall is completed.

Here, the method of assembling the inner surface of the hull 1 and the lower insulation panel 10 of the LNG carrier further includes attaching the stud bolts 14 to the inner wall of the hull 1 by resistance welding, and insulating the lower insulation. The panel 10 has a through hole in which the stud bolts 14 can be inserted in advance.

Therefore, the assembly is completed by fastening the nut 14a to the stud bolt 14 and inserting the cylindrical foam plug 15 into the hole formed in the lower insulation panel 10.

As described above, according to the cargo hold insulation structure according to the prior art, the insulation panel is penetrated to perform the same role as the through hole or the through hole as shown in FIG. 1 at the edge to be fixed to the hull with stud bolts. When the grooves are vertically penetrated, the discontinuity of the insulation panel is brought down, and thus, the airtight force as the sealing film is lowered, and in particular, the adhesive area of the upper surface is reduced, thereby weakening the adhesive force with the supple triplex.

In addition, the conventional insulation panel is cracked to the through hole or through groove formed for the fastening of the stud bolt when the crack is generated in the epoxy glue for installation of the triple triplex when assembled to the hull gas It provides a path of leakage, which has a problem that adversely affects the hull.

The present invention has been made to solve the problems described above, when the epoxy mastic is hardened without having a through hole or through groove for installing a fastening means such as a stud bolt for fixing the insulation panel to the hull. It can be fixed to the hull and improves the continuity of the insulation panel, which improves the sealing force because no adhesive gap caused by the through hole or the through groove occurs, and the insulation panel which is close to each other when assembled on the inner wall of the hull which is generally uneven It is possible to adjust the height of the liver up and down and left and right.

The fixing device of the cargo hold insulation panel according to the present invention, in the device for fixing the insulation panel to the hull, the fixing plate is attached to one side of the insulation panel, provided to protrude outward on the fixing plate, the protruding portion is provided on the hull It is fixed to the stud bolt, and includes a plurality of fixing brackets and coupling means for coupling each of the fixing brackets to the fixing plate.

In addition, the cargo hold insulation panel according to the present invention, in the insulation panel installed on the hull to store the low-temperature fluid, a fixing plate attached to one side of the insulation panel, and provided to protrude outward on the fixing plate, protruding portion It is fixed to the stud bolt provided in the hull, characterized in that the fixing device of the cargo hold insulation panel comprising a plurality of fixing brackets, and coupling means for coupling each of the fixing brackets to the fixing plate is provided on one side.

The present invention improves the continuity of the insulation panel by allowing the insulation panel to be fixed to the hull until the epoxy mastic is cured without having a through hole or through groove for installation of the stud bolt when the insulation panel is fixed to the hull. Since no adhesive gap is generated by holes or through grooves, it improves the adhesive force with members such as the pleple triplex and also improves the sealing force, and through the fixing bracket protruding from the fixing plate when assembling on the hull inner wall where the surface is generally uneven It is possible to easily adjust the step of the up and down and left and right between the insulation panels in close proximity to each other, and it is possible to insert a fixing bracket when transporting the insulation panel has the effect of eliminating the damage caused by interference or the inconvenience of transportation.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

2 is a perspective view showing a cargo hold insulation panel according to a first embodiment of the present invention, Figure 3 is a bottom perspective view showing a cargo hold insulation panel according to a first embodiment of the present invention. As shown, the cargo hold insulation panel 200 according to the first embodiment of the present invention is installed on the hull to store the low temperature fluid, the insulation panel fixing device 100 of the cargo hold is provided on one side.

The insulation panel 200 may be formed of a single layer panel, but may have a multi-layered structure in order to increase airtightness, and in the present embodiment, the lower insulation panel 210 and the upper portion adhered to each other through a rigid triplex. It is made of an insulation panel 220, the insulation panel fixing device 100 of the cargo hold according to the present invention is provided on one side of the lower insulation panel 210.

The insulation panel fixing device 100 of the cargo hold according to the present embodiment is a fixing plate 110 attached to the lower side of the insulation panel 200, specifically, the lower insulation panel 210, and protrudes to the outside of the fixing plate 110. A plurality of fixing brackets 120 provided to be fixed to the stud bolts 14 (shown in FIG. 5) and coupling means 130 for coupling each of the fixing brackets 120 to the fixing plate 110. Include.

The fixing plate 110 is attached to the lower side of the lower insulation panel 210 using an adhesive such as epoxy glue, and serves to reinforce the lower insulation panel 210 as well as to hull the lower insulation panel 210. : As shown in Figure 5) to serve as a medium to be fixed to the inner surface, for example, plywood (Plywood) may be used.

Fixing plate 110 is provided with fixing brackets 120 at the edge, preferably a plurality of fixing brackets 120 are provided along both edges, as shown in Figure 4, the adjacent fixing plate 110 Fixing brackets 120 which are positioned to correspond to both sides so as to reduce the spacing between them is installed to be offset from each other.

The fixing plate 110 is formed with a guide groove 111 for guiding the fixing brackets 120 to be reciprocated from the inner side to the outer side, respectively.

The fixing bracket 120 is provided in plurality so as to protrude outward from the fixing plate 110, the protruding portion stud bolt (14: stud bolt) is fixed to the hull 1 by electric welding (shown in Figure 5) The fastening hole 121 is formed to be fixed to the guide plate 111 of the fixing plate 110 and inserted into the guide groove 111 to move along the guide groove 111 to be inserted into the fixing plate 110 or protrude outward.

The fixing bracket 120 is caught when moving inward from the fixing plate 110 so that the engaging portion 122 is formed at the end by a bending method or the like to facilitate the drawing outward.

Coupling means 130 is a fastening member 131, such as one or more bolts, rivets or the like fastened to the fixing plate 110 through the guide hole 123 formed in the fixing bracket 120.

The fixing bracket 120 is formed so that the guide hole 123 extends along the moving direction so as to reciprocate from the inside to the outside of the fixing plate 110, and the locking groove 131a of the fastening member 131 is inserted into and caught. 124 is formed along the inner circumferential surface of the guide hole 123, the degree of close contact with the fixing plate 110 can be determined according to the fastening degree of the fastening member 131. Therefore, the fixing bracket 120 is maintained in the state coupled to the fixing plate 110 by the fastening member 131, it is possible to reciprocate movement in the "A" direction shown in Figure 3 by the guide hole 123 As a result, the inner side of the fixing plate 110 may be inserted into the fixing plate 110 to minimize interference during transportation, and may protrude out of the fixing plate 110 so as to be fixed to the stud bolt 14 (see FIG. 5). The head 131a of the member 131 does not protrude, thereby preventing interference with the epoxy mastic 13 (shown in FIG. 5).

Guide holes 123 may be made of a number corresponding to the number of the fastening member 131, in this embodiment consists of two.

Meanwhile, the coupling means 130 may further include a stopper 132 fastened to the fixing plate 110 to support the fixing bracket 120 to maintain the fixing bracket 120 protruding from the fixing plate 110. Can be.

For example, the stopper 132 may be a bolt that is screwed into the fastening groove 112 formed inside the guide groove 111 of the fixing plate 110, and an end of the fixing bracket 120 protruding from the fixing plate 110. By supporting the fixing bracket 120 is not inserted into the fixing plate 110 inside.

On the other hand, unlike the present embodiment, as shown in Figure 6, the fixing plate 110 is to be in close contact with the fixing plate 110 so that the fixing bracket 120 does not deviate in the vertical direction and fixing bracket 120 The support piece 113 may be provided to distribute the load applied to the support piece 113.

Both sides of the support piece 113 are fixed by fixing members 114 such as bolts or rivets to the lower surface of the fixing plate 110 so as to intersect the fixing bracket 120.

Referring to the fixing device of the cargo hold insulation panel according to the first embodiment of the present invention having such a configuration and the action on the insulation panel using the same.

The insulation panel 200 is transported in a state in which the fixing bracket 120 is inserted into the guide groove 111 in order to prevent interference by protruding the fixing bracket 120 during transportation.

When the insulation panel 200 is fixed to the hull 1 as shown in FIG. 5, the fixing plate 110 is mounted on the epoxy mastic 13 while the fixing bracket 120 protrudes from the fixing plate 110. The stud bolt 14 is inserted into the fastening hole 121 of the fixing bracket 120 and fastened with the nut 14a. At this time, the fixing bracket 120 is suppressed from the fixing plate 110 by the fastening member 131 and the insertion of the fixing plate 110 into the fixing plate 110 by the stopper 132 is suppressed. It is fixed to be properly attached to the stick 13, it can be installed on the level pad 50 is installed on the inner surface of the hull (1).

In addition, as shown in FIG. 4, the fixing bracket 120 positioned to correspond to both sides of the fixing plate 110 so that the fixing brackets 120 positioned between the adjacent fixing plates 110 do not interfere with each other. Since they are installed to be offset from each other, the distance between neighboring insulation panels 200 can be reduced.

Meanwhile, as shown in FIG. 6, the support piece 113 orthogonal to the fixing bracket 120 is installed on the fixing plate 110, thereby preventing bending of the fixing bracket 120 and fixing bracket 120. By dispersing the load applied to the) to prevent damage to the fastening member 131 or detachment of the fixing bracket 120.

7 is a perspective view showing a cargo hold insulation panel according to a second embodiment of the present invention, Figure 8 is an exploded perspective view showing a fixing device of the cargo hold insulation panel according to a second embodiment of the present invention. As shown, the cargo hold insulation panel 400 according to the second embodiment of the present invention is made up of the lower insulation panel 410 and the upper insulation panel 420 similarly to the cargo hold insulation panel 200 according to the first embodiment. The holding device 300 of the cargo hold insulation panel is provided on one side of the lower insulation panel 410.

The insulation panel fixing device 300 of the cargo hold according to the present embodiment is provided with a fixing plate 310 attached to the lower side of the lower insulation panel 410 and protruded to the outside of the fixing plate 310. A plurality of fixing brackets 320 fixed to () (shown in FIG. 10), and a coupling stage 330 for coupling each of the fixing brackets 320 to the fixing plate 310.

For example, plywood may be used as the fixing plate 310 to reinforce the lower insulation panel 410 and to fix the lower insulation panel 410 to the inner side of the hull (shown in FIG. 10). It is attached to the lower side of the lower insulation panel 410 with an adhesive such as epoxy glue in order to play a role, and a plurality of fixing brackets 320 are provided along both edges to reduce the distance between neighboring fixing plates 310. Fixing brackets 320 positioned to correspond to both sides so as to be shifted from each other so that the guide brackets 311 are inserted into the fixing brackets 320 are guided to reciprocate from the inner side to the outer side at the lower edges. Is formed.

The fixing bracket 320 is formed in plural and inserted into the guide groove 311 and is supported by the coupling means 330 so as to reciprocate from the inside of the fixing plate 310 to a predetermined position, and the inside of the fixing plate 310. The hook portion 322 is formed by bending or the like at the end to be easily pulled out by being caught when moved to the outside, and a stud bolt 14 (shown in FIG. 10) is fastened to a portion protruding from the fixing plate 310. The fastening groove 321 is formed to be.

The fastening groove 321 is formed to be open at one side so that the fastening bracket 321 can be easily fastened with the stud bolt 14 through the open portion during the sliding movement of the fixing bracket 320, and the nut is screwed to the stud bolt 14. A mounting groove 321a is formed in the periphery so that 14a (shown in FIG. 10) is seated.

The coupling means 330 supports the fixing bracket 320 to reciprocate in the guide groove 311 and the fixing bracket 320 is fastened to the stud bolt 14 (shown in FIG. 10). In this embodiment, the support plate 331 for supporting one side of the fixing bracket 320 and the support plate 331 are sandwiched between the fixing bracket 320 and the fixing plate 310. It includes a fastening member 332 to be fixed to.

The support plate 331 may be made of a metal, a polymer compound, a composite material, or the like, and is positioned on an exposed side of the fixing bracket 320 inserted into the guide groove 311 to guide the fixing bracket 320 to the guide groove. 311 and the fixing bracket 320 protruding from the fixing plate 310 on the side where the fixing bracket 320 is in contact with the fixing bracket 320 so that the fixing bracket 320 is not inserted into the fixing plate 310 again. A catching jaw 331a for catching the end is formed.

The fastening member 332 is fastened to the fixing plate 310 through a guide hole 323 formed in the fixing bracket 320 along the moving direction through the support plate 331, for example, one or more bolts, It consists of rivets, pieces, etc.

On the other hand, the coupling means 330 is preferably provided on both sides of the fixing bracket 320 by making a pair as in this embodiment, each support plate 331 of the lower side of the fixing bracket 320 It is inserted into the insertion groove 325 formed on both sides. At this time, the insertion groove 325 has a depth so that the support plate 331 does not protrude out of the guide groove 311 and does not cause interference by the support plate 331 when the fixing bracket 320 reciprocates. Have enough length.

Referring to the operation of the holding device 300 and the insulation panel 400 using the cargo hold insulation panel according to the second embodiment of the present invention having such a configuration as follows.

When the insulation panel 400 is transported or stored, as shown in FIG. 9, the fixing bracket 320 is inserted into the guide groove 311 so as not to cause interference.

When the insulation panel 400 is fixed to the hull 1 as shown in FIG. 10, the epoxy mastic 13 is applied to the fixing plate 310, and then the fixing bracket 320 protrudes from the fixing plate 310. In the state, the stud bolt 14 is inserted into the fastening groove 321 of the fixing bracket 320 and fastened with the nut 14a. At this time, the fixing bracket 320 is inwardly caught by the catching jaw 331a of the support plate 331 in a state in which separation from the fixed plate 310 is suppressed by the support plate 331 and the fastening member 332. The insertion is limited, which allows the fixing plate 310 to be properly attached on the epoxy mastic 13 and can be installed on the level pad 50 installed on the inner surface of the hull 1.

In addition, the fixing device 300 of the cargo hold insulation panel according to the present embodiment is similar to the fixing device 100 of the cargo hold insulation panel according to the first embodiment. In order to prevent the 320 from interfering with each other, fixing brackets 320 positioned to correspond to both sides of the fixing plate 310 may be installed to be offset from each other, thereby reducing a distance between neighboring insulation panels 400.

According to a preferred embodiment of the present invention as described above, by allowing the insulation panel to be fixed to the hull until the epoxy mastic is hardened without having a through hole or through groove for the installation of the stud bolt when fixed to the hull. The continuity of the insulation panel is improved, and adhesive gaps caused by the through holes and the through grooves do not occur, thereby increasing the adhesive force with a member such as a supple triplex and improving the sealing force.

In addition, when assembling on the inner wall of the hull, the surface is generally non-uniform through the fixing bracket protruding from the fixing plate to enable the adjustment of the step of the upper and lower and left and right between the insulation panels in close proximity to each other, and the fixing bracket when carrying the insulation panel By inserting it, the interference caused by the interference and the inconvenience of transportation are eliminated.

As described above, specific embodiments have been described in the detailed description of the present invention, but it is obvious that the technology of the present invention can be easily modified by those skilled in the art, and such modified embodiments are defined in the claims of the present invention. It will be included in the technical spirit described.

1 is a cross-sectional view showing the cargo hold insulation structure of the LNG carrier according to the prior art,

2 is a perspective view showing a cargo hold insulation panel according to a first embodiment of the present invention,

3 is a bottom perspective view showing a cargo hold insulation panel according to a first embodiment of the present invention,

4 is a plan view showing the installation state of the cargo hold insulation panel according to the first embodiment of the present invention,

5 is a cross-sectional view showing the installation state of the cargo hold insulation panel according to the first embodiment of the present invention,

Figure 6 is a bottom view showing a support piece of the holding device of the cargo hold insulation panel according to the first embodiment of the present invention,

7 is a perspective view showing a cargo hold insulation panel according to a second embodiment of the present invention,

8 is an exploded perspective view illustrating a fixing device of a cargo hold insulation panel according to a second embodiment of the present invention;

9 is a cross-sectional view showing the fixing bracket is inserted in the cargo hold insulation panel according to a second embodiment of the present invention,

10 is a cross-sectional view showing the installation state of the cargo hold insulation panel according to the second embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

110,310: Fixing plate 111,311: Guide groove

112: fastening groove 113: support piece

114: fixing member 120,320: fixing bracket

121: fastening hole 122,322: locking part

123,323: Guide hole 124: Hanging groove

130,330: coupling means 131,332: fastening member

131a: head 132: stopper

200,400: Insulation panel 210,410: First panel

220,420: second panel 321: fastening groove

321a: seating groove 325: insertion groove

331: support plate 331a: locking jaw

Claims (14)

In the device for fixing the insulation panel to the hull, A fixing plate attached to one side of the insulation panel; A fixing bracket which is provided to protrude outward from the fixing plate, the protruding portion is fixed to the stud bolt provided on the hull, and comprises a plurality of fixing brackets; Coupling means for coupling each of the fixing bracket to the fixing plate Fixation of cargo hold insulation panel comprising a. The method of claim 1, The fixing plate, Guide grooves for reciprocating from the inner side to the outer side are inserted into the fixing brackets are formed on one side Fixing device for cargo hold insulation panel characterized in that. The method of claim 1, The fixing bracket, The locking portion is formed at the end to be caught when moving inward from the fixing plate Fixing device for cargo hold insulation panel characterized in that. The method of claim 1, The fixing plate, A plurality of fixing brackets are provided along both edges, and the fixing brackets positioned to correspond to both sides are installed to be offset from each other. Fixing device for cargo hold insulation panel characterized in that. The method of claim 1, The fixing plate, The support piece for close contact with the fixing bracket is provided by crossing the fixing bracket. Fixing device for cargo hold insulation panel characterized in that. The method of claim 1, The coupling means, One or two or more fastening members fastened to the fixing plate through the fixing bracket Fixing device for cargo hold insulation panel characterized in that. The method of claim 6, The fixing bracket, A guide hole through which the fastening member penetrates is formed to extend in the moving direction so as to reciprocate from the inner side to the outer side of the fixing plate, and a locking groove to which the head of the fastening member is inserted is formed along the inner circumferential surface of the guide hole. Fixing device for cargo hold insulation panel characterized in that. The method of claim 6, The coupling means, A stopper fastened to the fixing plate to support the fixing bracket so as to maintain the fixing bracket protruding from the fixing plate. Fixing device of the cargo hold insulation panel further comprising. The method of claim 1, The fixing bracket, Is inserted into the guide groove formed on the edge of the fixing plate, supported by the coupling means so as to reciprocate from the inside of the fixing plate to a predetermined position along the guide groove to the outside Fixing device for cargo hold insulation panel characterized in that. The method of claim 9, The fixing bracket, The fastening groove for fastening the stud bolt to the portion protruding from the fixing plate is formed so that one side is opened Fixing device for cargo hold insulation panel characterized in that. The method of claim 9, The coupling means, A support plate for supporting one side of the fixing bracket; Fastening member which is fastened to the fixing plate through the guide hole formed in the movement direction to the fixing bracket through the support plate Fixing device for cargo hold insulation panel comprising a. The method of claim 11, The support plate, A locking step for catching the end of the fixing bracket protruding from the fixing plate is formed on the side that the fixing bracket is in contact with Fixing device for cargo hold insulation panel characterized in that. The method of claim 11, The coupling means, Consists of a pair is provided on both sides of the fixing bracket, each support plate is inserted into each of the insertion groove formed on both sides of the fixing bracket Fixing device for cargo hold insulation panel characterized in that. Insulation panel installed on the hull to store cold fluid, 14. The fixing device of the cargo hold insulation panel according to any one of claims 1 to 13 is provided on one side. Cargo hold insulation panel characterized in that.

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